# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 351 - 357 of 2320

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## Question number: 351

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MCQ▾

### Question

If the earth is a point mass of 6 x l0 24 kg revolving around the sun at a distance of 1.5xl0 8 km and in time T = 3.14 xl0 7 s. Then the angular momentum of the earth around the sun is

### Choices

Choice (4)Response

a.

1.5 x 10 37 kg m 2 /s

b.

2.7 x 10 40 kg m 2 /s

c.

1.8 x 10 29 kg m 2 /s

d.

1.2 x 10 18 kg m 2 /s

## Question number: 352

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MCQ▾

### Question

parallel plate capacitor of plate area A and plates separation distance d is charged by applying a potential V 0 between the plates. The dielectric constant of the medium between the plates is K. What is the uniform electric field E between the plates of the capacitor?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Passage

A sphere of radius R contains charge density ρ (r) = A (R-r), for 0 The total electric charge inside the sphere is Q.

## Question number: 353 (1 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

If charge q is placed at r (r > R) than it would experience force is,

### Choices

Choice (4)Response

a.

b.

c.

k q Q r

d.

## Question number: 354 (2 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The electric field inside the sphere is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 355 (3 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The electric field outside the sphere is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 356 (4 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The value of A in terms of Q and R is to

### Choices

Choice (4)Response

a.

b.

c.

d.

Both b. and a. are correct

## Question number: 357

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MCQ▾

### Question

A block of metal weighing 5 kg is resting on a frictionless plane. It is stack by a jet releasing water at a rate of 1 kg/s and at a speed of 10 m/s. The initial acceleration of the block will be –

### Choices

Choice (4)Response

a.

0

b.

2 m/s 2

c.

5 m/s 2

d.

2.5 m/s 2

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